Saisen (money offered to the gods) = 20 yen ($0.20 €0.16)
When we visit a shrine, we donate changes to the shrine, dropping changes into a money collecting box. Today my son offered 20 yen ($0.20 €0.16) to a shrine.
Black box between poles is the money collecting box.
There are thieves stealing this money called "Saisen dorobo (賽銭泥棒 saisen thief)". They are not afraid of God's punishment.